ohio is the must-win state. president obama had three appearances in ohio today. mitt romney two. both candidates will be back in ohio before tuesday. >>> today mayor gray announced the district would be lowering fines from those controversial speed cameras. beginning on monday. the city has had many complaints that the tickets and high fines bring in millions of dollars. tom sherwood reports now, some say the new fines don't go low enou. >> reporter: d.c. has dozens of speed cameras to catch motorists. fines range from $75 to $250. far higher than any other local jurisdiction. mayor vincent gray friday moved to curb some of the anger over the high fines and complaints the city is just raising revenue. he said beginning monday he'll lower some of the fines for speeding but raise others. >> i thi that this is a very responsible thing to do and obviously it's connected to public safety. i have said from the very beginning that this was a public safety issue for me, not an effort to raise additional revenue. >> reporter: and the mayor said he'll use traffic fine revenues to hire 100